Hardware Spec Index

Teralux FN-3940 Plus 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3940-PLUS · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index331 (Case Fans scale)
Category rank#19,606
Street price$9
Power3 W
Performance per dollar36.78
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3940 Plus
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6737 Ultra 120mm PWM Case Fan671$19Compare
Zephyra FN-9286 Ultra 120mm PWM ARGB Case Fan1,221$39Compare
Corvane FN-8386 SE 120mm PWM Case Fan (3-Pack)337$9Compare
Corvane FN-5276 SE 120mm PWM ARGB Case Fan773$19Compare
Zephyra FN-9063 Core 140mm PWM Case Fan (3-Pack)286$9Compare
Corvane FN-3927 Ti 120mm PWM Case Fan487$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3940 Plus 120mm PWM Case Fan”, https://vextor7.com/item/5124469 (accessed 2026-10-24).